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Finding the Third Proportional to 99,625,572 and 216,256,344

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Solution

The third proportional to 99,625,572 and 216,256,344 is: 469,425,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,625,572 : 216,256,344 = 216,256,344 : x
  2. Step 2: Convert to fraction form
    99,625,572/216,256,344 = 216,256,344/x
  3. Step 3: Cross multiply
    99,625,572x = 216,256,344 × 216,256,344
  4. Step 4: Simplify right side
    99,625,572x = 46,766,806,320,246,336
  5. Step 5: Solve for x
    x = 46,766,806,320,246,336/99,625,572
  6. Step 6: Final answer
    x = 469,425,724.55

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.